.circular-text {
    margin: 0 auto;
    border-radius: 50%;
    width: 200px;
    height: 200px;
    font-weight: bold;
    color: #fff;
    font-weight: 900;
    text-align: center;
    cursor: pointer;
}

.circular-text span {
    position: absolute;
    display: inline-block;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    color: black;  // 设置旋转字体颜色
    font-size: 24px;
    transition: all 0.5s cubic-bezier(0, 0, 0, 1);
}